用户活跃AOP加入

admin

2019-08-27 ee56fd24c90d401ebce41ee4c0f7c9f5a1664bf9

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package com.yeshi.fanli.aspect; 
 
import java.lang.reflect.Method; 
 
import javax.annotation.Resource; 
 
import org.aspectj.lang.ProceedingJoinPoint; 
import org.aspectj.lang.Signature; 
import org.aspectj.lang.annotation.Before; 
import org.aspectj.lang.reflect.MethodSignature; 
import org.springframework.core.DefaultParameterNameDiscoverer; 
import org.springframework.expression.EvaluationContext; 
import org.springframework.expression.Expression; 
import org.springframework.expression.ExpressionParser; 
import org.springframework.expression.spel.standard.SpelExpressionParser; 
import org.springframework.expression.spel.support.StandardEvaluationContext; 
import org.yeshi.utils.NumberUtil; 
 
import com.yeshi.fanli.util.StringUtil; 
import com.yeshi.fanli.util.ThreadUtil; 
import com.yeshi.fanli.util.annotation.UserActive; 
 
import redis.clients.jedis.Jedis; 
import redis.clients.jedis.JedisPool; 
 
/** 
 * 活跃用户处理 
 *  
 * @author Administrator 
 * 
 */ 
// @Component 
// @Aspect 
// @Order(6) 
public class ActiveUserAspect { 
 
    @Resource 
    private JedisPool jedisPool; 
 
    private ExpressionParser parser = new SpelExpressionParser(); 
 
    private DefaultParameterNameDiscoverer nameDiscoverer = new DefaultParameterNameDiscoverer(); 
 
    public String generateKeyBySpEL(String spELString, ProceedingJoinPoint joinPoint) { 
        MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature(); 
        String[] paramNames = nameDiscoverer.getParameterNames(methodSignature.getMethod()); 
        Expression expression = parser.parseExpression(spELString); 
        EvaluationContext context = new StandardEvaluationContext(); 
        Object[] args = joinPoint.getArgs(); 
        for (int i = 0; i < args.length; i++) { 
            context.setVariable(paramNames[i], args[i]); 
        } 
        return expression.getValue(context).toString(); 
    } 
 
    public static final String EDP = "execution(* com.yeshi.fanli.controller.client.*.*.*(..))"; 
 
    @Before(EDP) 
    public void activeBefore(ProceedingJoinPoint joinPoint) { 
        try { 
            Signature signature = joinPoint.getSignature(); 
            MethodSignature methodSignature = (MethodSignature) signature; 
            Method targetMethod = methodSignature.getMethod(); 
            Method realMethod = joinPoint.getTarget().getClass().getDeclaredMethod(joinPoint.getSignature().getName(), 
                    targetMethod.getParameterTypes()); 
            if (realMethod.isAnnotationPresent(UserActive.class)) { 
                UserActive rs = realMethod.getAnnotation(UserActive.class); 
                String uidStr = generateKeyBySpEL(rs.uid(), joinPoint); 
                if (!StringUtil.isNullOrEmpty(uidStr) && NumberUtil.isNumeric(uidStr)) { 
                    ThreadUtil.run(new Runnable() { 
                        @Override 
                        public void run() { 
                            String key = "useractive-" + uidStr; 
                            Jedis jedis = jedisPool.getResource(); 
                            try { 
 
                                if (jedis.setnx(key, "1") > 0) { 
                                    jedis.expire(key, 60);// 60s内不处理 
                                    try { 
                                        // TODO 用户活跃处理 
 
                                    } catch (Exception e) { 
                                    } 
                                } 
                            } finally { 
                                jedisPool.returnResource(jedis); 
                            } 
                        } 
                    }); 
                } 
            } 
        } catch (Exception e) { 
 
        } 
    } 
 
}